package cn.tedu.order.service;

import cn.tedu.order.entity.Order;
import cn.tedu.order.feign.AccountClient;
import cn.tedu.order.feign.EasyIdClient;
import cn.tedu.order.feign.StorageClient;
import cn.tedu.order.mapper.OrderMapper;
import io.seata.spring.annotation.GlobalTransactional;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Random;

@Service
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrderMapper orderMapper;
    @Autowired
    private EasyIdClient easyIdClient;
    @Autowired
    private StorageClient storageClient;
    @Autowired
    private AccountClient accountClient;

    @GlobalTransactional  //Seata全局事务
    @Transactional        //本地事务
    @Override
    public void create(Order order) {
        //调用远程服务发号器
        String s=easyIdClient.nextId("order_business");
        Long orderId=Long.valueOf(s);
        order.setId(orderId);
        orderMapper.create(order);

       //调用库存
        storageClient.decrease(order.getProductId(),order.getCount());

        //调用账户
        accountClient.decrease(order.getUserId(), order.getMoney());
    }
}
